What documents are required for Business Visa (F), I want to attend Company training ?

Business F type is ok, and also the invitation letter, make sure the invitation should contain:

(1) Information on the applicant (full name, gender, date of birth, etc.)

(2) Information on the planned visit (purpose of visit, arrival and departure dates, place(s) to be visited, relations between the applicant and the inviting entity or individual, financial source for expenditures)

(3) Information on the inviting entity or individual (name, contact telephone number, address, official stamp, signature of the legal representative or the inviting individual)